5-1-4. Power Cable Unit .............................................................................. 5-6
1) Connection of power cable.......................................................... 5-6
2) Voltage check............................................................................... 5-7
3) Replacement of lamp cable.......................................................... 5-8
5-2-1. Mast Group ....................................................................................... 5-9
1) Shaft of mast ................................................................................ 5-9
2) Sliding surface of mast ................................................................. 5-9
3) Winch ........................................................................................... 5-9
5-2. Mast Group .................................................................................................... 5-9
4) Wire ............................................................................................ 5-10
5-4. Base Plate Group ........................................................................................ 5-12
5-4-1. Base Plate Unit ............................................................................... 5-12
5-4-2. Steering Unit ................................................................................... 5-12
5-3. Outrigger Group........................................................................................... 5-12
5-4-3. Brake Unit ....................................................................................... 5-13
5-5. Grounding .................................................................................................... 5-13
6.Periodic Inspection Items................................................................................... 6-2
6-1. Inspection Items and Intervals ....................................................................... 6-2
7.Circuit ................................................................................................................... 7-2
7-1. Electrical Circuit ............................................................................................. 7-2
7-1-1. How to Read Electrical Circuit Diagram ............................................ 7-2
7-1-2. Electrical Circuit Diagram .................................................................. 7-2
8.Tools, Instruments and Other Materials for
Inspection and Maintenance ................................................................................. 8-2
8-1. Machines, Tools and Instruments.................................................................. 8-2
8-1-1. General Tools.................................................................................... 8-2
8-1-2. Special Tool ...................................................................................... 8-3
8-1-3. Measuring Instrument ....................................................................... 8-3
8-1-4. Materials Required ............................................................................ 8-3
9.Bolts and Nuts Tightening Torques .................................................................. 9-2
9-1. General Instructions....................................................................................... 9-2
9-2. Major Bolts and Nuts ..................................................................................... 9-3
10.Troubleshooting .............................................................................................. 10-2
10-1. Troubleshooting Procedures...................................................................... 10-2